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답안 #974534

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
974534 2024-05-03T12:29:08 Z DAleksa Two Dishes (JOI19_dishes) C++17
74 / 100
 4159 ms 323964 KB 
#include <bits/stdc++.h>

using namespace std;

struct node {
    long long mx;
    long long add;
    long long set;
    bool both;
    node() {
        mx = 0;
        add = 0;
        set = 0;
        both = false;
    }
};

struct pt {
    int y;
    long long val;
};

const int N = 1e6 + 10;
const long long inf = 1e18;
int n, m;
long long a[N], p[N], b[N], q[N];
long long s[N], t[N];
int x[N], y[N];
vector<pt> all[N];
node st[4 * N];

void propagate(int index) {
    if(2 * index + 1 < 4 * N) {
        if(st[index].both) {
            long long val = st[index].set + st[index].add;
            st[2 * index].mx = val;
            st[2 * index].set = val;
            st[2 * index].add = 0;
            st[2 * index].both = true;
            st[2 * index + 1].mx = val;
            st[2 * index + 1].set = val;
            st[2 * index + 1].add = 0;
            st[2 * index + 1].both = true;
            st[index].add = 0;
            st[index].set = 0;
            st[index].both = false;
        } else {
            st[2 * index].mx += st[index].add;
            st[2 * index].add += st[index].add;
            st[2 * index + 1].mx += st[index].add;
            st[2 * index + 1].add += st[index].add;
            st[index].add = 0;
        }
    }
}

void update(int index, int l, int r, int L, int R, long long val) {
    if(l > r || r < L || R < l) return;
    if(L <= l && r <= R) {
        st[index].mx += val;
        st[index].add += val;
        return;
    }
    propagate(index);
    int mid = (l + r) / 2;
    update(2 * index, l, mid, L, R, val);
    update(2 * index + 1, mid + 1, r, L, R, val);
    st[index].mx = max(st[2 * index].mx, st[2 * index + 1].mx);
}

void modify(int index, int l, int r, int L, int R, long long val) {
    if(l > r || r < L || R < l) return;
    if(L <= l && r <= R) {
        st[index].mx = val;
        st[index].set = val;
        st[index].both = true;
        st[index].add = 0;
        return;
    }
    propagate(index);
    int mid = (l + r) / 2;
    modify(2 * index, l, mid, L, R, val);
    modify(2 * index + 1, mid + 1, r, L, R, val);
    st[index].mx = max(st[2 * index].mx, st[2 * index + 1].mx);
}

long long get(int index, int l, int r, int x) {
    if(l > r || r < x || x < l) return -inf;
    if(l == r) return st[index].mx;
    propagate(index);
    int mid = (l + r) / 2;
    return max(get(2 * index, l, mid, x), get(2 * index + 1, mid + 1, r, x));
}

int walk(int index, int l, int r, int x, long long val) {
    if(l > r || r < x) return r;
    if(l == r) {
        if(st[index].mx >= val) return l - 1;
        return l;
    }
    if(st[index].mx < val) return r;
    propagate(index);
    int mid = (l + r) / 2;
    int L = walk(2 * index, l, mid, x, val);
    if(L != mid) return L;
    return walk(2 * index + 1, mid + 1, r, x, val);
}

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cin >> n >> m;
    for(int i = 1; i <= n; i++) cin >> a[i] >> s[i] >> p[i];
    for(int i = 1; i <= m; i++) cin >> b[i] >> t[i] >> q[i];
    a[0] = b[0] = 0;
    for(int i = 2; i <= n; i++) a[i] += a[i - 1];
    for(int i = 2; i <= m; i++) b[i] += b[i - 1];
    for(int i = 1; i <= n; i++) {
        if(a[i] > s[i]) {
            x[i] = -1;
            continue;
        }
        int l = 0, r = m;
        int ans = l;
        while(l <= r) {
            int mid = (l + r) / 2;
            if(a[i] + b[mid] <= s[i]) {
                ans = mid;
                l = mid + 1;
            } else r = mid - 1;
        }
        x[i] = ans;
    }
    for(int i = 1; i <= m; i++) {
        if(b[i] > t[i]) {
            y[i] = -1;
            continue;
        }
        int l = 0, r = n;
        int ans = l;
        while(l <= r) {
            int mid = (l + r) / 2;
            if(a[mid] + b[i] <= t[i]) {
                ans = mid;
                l = mid + 1;
            } else r = mid - 1;
        }
        y[i] = ans;
    }
    long long add = 0;
    for(int i = 1; i <= n; i++) {
        if(x[i] == -1) continue;
        add += p[i];
        if(x[i] < m) all[x[i] + 1].push_back({i - 1, -p[i]});
    }
    for(int i = 1; i <= m; i++) {
        if(y[i] == -1) continue;
        all[i].push_back({y[i], q[i]});
    }
    for(int i = 1; i <= m; i++) {
        sort(all[i].begin(), all[i].end(), [&](pt p1, pt p2) {
            return p1.y > p2.y;
        });
    }
    // modify(1, 0, n, 1, n, 39);
    // for(int i = 0; i <= n; i++) cout << get(1, 0, n, i) << " ";
    // return 0;
    // cout << "POINTS:\n";
    // for(int i = 0; i <= m; i++) {
    //     for(pt p : all[i]) cout << i << " " << p.y << " " << p.val << "\n";
    // }
    for(int i = 0; i <= m; i++) {
        // cout << "#" << i << ":\nPOINTS:\n";
        for(pt p : all[i]) {
            int y = p.y;
            long long val = p.val;
            // cout << y << " " << val << "\n";
            update(1, 0, n, 0, y, val);
            long long mx = get(1, 0, n, y);
            int nxt = walk(1, 0, n, y + 1, mx);
            // cout << mx << " " << nxt << "\n";
            modify(1, 0, n, y, nxt, mx);
            // cout << "TREE:\n";
            // for(int j = 0; j <= n; j++) cout << get(1, 0, n, j) << " ";
            // cout << "\n";
        }
        // cout << "\n";
    }
    // for(int i = 1; i <= m; i++) {
    //     for(pt p : all[i]) cout << i << " " << p.y << " " << p.val << "\n";
    // }
    // for(int i = 1; i <= n; i++) cout << x[i] << " ";
    // cout << "\n";
    // for(int i = 1; i <= m; i++) cout << y[i] << " ";
    // cout << "\n";
    // cout << add << "\n";
    cout << get(1, 0, n, n) + add;
    return 0;
}

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 427 ms 182100 KB Output is correct
2 Correct 373 ms 182864 KB Output is correct
3 Correct 198 ms 179028 KB Output is correct
4 Correct 344 ms 178836 KB Output is correct
5 Correct 27 ms 164696 KB Output is correct
6 Correct 335 ms 181668 KB Output is correct
7 Correct 90 ms 174416 KB Output is correct
8 Correct 76 ms 168792 KB Output is correct
9 Correct 196 ms 179016 KB Output is correct
10 Correct 378 ms 182460 KB Output is correct
11 Correct 174 ms 179132 KB Output is correct

Subtask #2
3.0 / 3.0

# 결과 실행 시간 메모리 Grader output
1 Correct 27 ms 164700 KB Output is correct
2 Correct 26 ms 164692 KB Output is correct
3 Correct 26 ms 164700 KB Output is correct
4 Correct 26 ms 164700 KB Output is correct
5 Correct 27 ms 164700 KB Output is correct
6 Correct 27 ms 164692 KB Output is correct
7 Correct 26 ms 164688 KB Output is correct
8 Correct 26 ms 164696 KB Output is correct
9 Correct 29 ms 164688 KB Output is correct
10 Correct 26 ms 164684 KB Output is correct
11 Correct 27 ms 164696 KB Output is correct
12 Correct 28 ms 164700 KB Output is correct
13 Correct 27 ms 164692 KB Output is correct
14 Correct 27 ms 164604 KB Output is correct
15 Correct 26 ms 164688 KB Output is correct
16 Correct 26 ms 164700 KB Output is correct

Subtask #3
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 27 ms 164700 KB Output is correct
2 Correct 26 ms 164692 KB Output is correct
3 Correct 26 ms 164700 KB Output is correct
4 Correct 26 ms 164700 KB Output is correct
5 Correct 27 ms 164700 KB Output is correct
6 Correct 27 ms 164692 KB Output is correct
7 Correct 26 ms 164688 KB Output is correct
8 Correct 26 ms 164696 KB Output is correct
9 Correct 29 ms 164688 KB Output is correct
10 Correct 26 ms 164684 KB Output is correct
11 Correct 27 ms 164696 KB Output is correct
12 Correct 28 ms 164700 KB Output is correct
13 Correct 27 ms 164692 KB Output is correct
14 Correct 27 ms 164604 KB Output is correct
15 Correct 26 ms 164688 KB Output is correct
16 Correct 26 ms 164700 KB Output is correct
17 Correct 30 ms 164688 KB Output is correct
18 Correct 29 ms 164700 KB Output is correct
19 Correct 30 ms 164700 KB Output is correct
20 Correct 29 ms 164756 KB Output is correct
21 Correct 33 ms 165008 KB Output is correct
22 Correct 29 ms 164764 KB Output is correct
23 Correct 30 ms 164700 KB Output is correct

Subtask #4
39.0 / 39.0

# 결과 실행 시간 메모리 Grader output
1 Correct 27 ms 164700 KB Output is correct
2 Correct 26 ms 164692 KB Output is correct
3 Correct 26 ms 164700 KB Output is correct
4 Correct 26 ms 164700 KB Output is correct
5 Correct 27 ms 164700 KB Output is correct
6 Correct 27 ms 164692 KB Output is correct
7 Correct 26 ms 164688 KB Output is correct
8 Correct 26 ms 164696 KB Output is correct
9 Correct 29 ms 164688 KB Output is correct
10 Correct 26 ms 164684 KB Output is correct
11 Correct 27 ms 164696 KB Output is correct
12 Correct 28 ms 164700 KB Output is correct
13 Correct 27 ms 164692 KB Output is correct
14 Correct 27 ms 164604 KB Output is correct
15 Correct 26 ms 164688 KB Output is correct
16 Correct 26 ms 164700 KB Output is correct
17 Correct 30 ms 164688 KB Output is correct
18 Correct 29 ms 164700 KB Output is correct
19 Correct 30 ms 164700 KB Output is correct
20 Correct 29 ms 164756 KB Output is correct
21 Correct 33 ms 165008 KB Output is correct
22 Correct 29 ms 164764 KB Output is correct
23 Correct 30 ms 164700 KB Output is correct
24 Correct 278 ms 189640 KB Output is correct
25 Correct 229 ms 190036 KB Output is correct
26 Correct 300 ms 192544 KB Output is correct
27 Correct 254 ms 189840 KB Output is correct
28 Correct 301 ms 190056 KB Output is correct
29 Correct 208 ms 190468 KB Output is correct
30 Correct 633 ms 193800 KB Output is correct
31 Correct 83 ms 180384 KB Output is correct
32 Correct 139 ms 176772 KB Output is correct
33 Correct 397 ms 188804 KB Output is correct
34 Correct 494 ms 193104 KB Output is correct
35 Correct 614 ms 187472 KB Output is correct
36 Correct 584 ms 186920 KB Output is correct

Subtask #5
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 27 ms 164700 KB Output is correct
2 Correct 26 ms 164692 KB Output is correct
3 Correct 26 ms 164700 KB Output is correct
4 Correct 26 ms 164700 KB Output is correct
5 Correct 27 ms 164700 KB Output is correct
6 Correct 27 ms 164692 KB Output is correct
7 Correct 26 ms 164688 KB Output is correct
8 Correct 26 ms 164696 KB Output is correct
9 Correct 29 ms 164688 KB Output is correct
10 Correct 26 ms 164684 KB Output is correct
11 Correct 27 ms 164696 KB Output is correct
12 Correct 28 ms 164700 KB Output is correct
13 Correct 27 ms 164692 KB Output is correct
14 Correct 27 ms 164604 KB Output is correct
15 Correct 26 ms 164688 KB Output is correct
16 Correct 26 ms 164700 KB Output is correct
17 Correct 30 ms 164688 KB Output is correct
18 Correct 29 ms 164700 KB Output is correct
19 Correct 30 ms 164700 KB Output is correct
20 Correct 29 ms 164756 KB Output is correct
21 Correct 33 ms 165008 KB Output is correct
22 Correct 29 ms 164764 KB Output is correct
23 Correct 30 ms 164700 KB Output is correct
24 Correct 278 ms 189640 KB Output is correct
25 Correct 229 ms 190036 KB Output is correct
26 Correct 300 ms 192544 KB Output is correct
27 Correct 254 ms 189840 KB Output is correct
28 Correct 301 ms 190056 KB Output is correct
29 Correct 208 ms 190468 KB Output is correct
30 Correct 633 ms 193800 KB Output is correct
31 Correct 83 ms 180384 KB Output is correct
32 Correct 139 ms 176772 KB Output is correct
33 Correct 397 ms 188804 KB Output is correct
34 Correct 494 ms 193104 KB Output is correct
35 Correct 614 ms 187472 KB Output is correct
36 Correct 584 ms 186920 KB Output is correct
37 Correct 348 ms 195880 KB Output is correct
38 Correct 268 ms 192852 KB Output is correct
39 Correct 452 ms 193932 KB Output is correct
40 Correct 395 ms 193696 KB Output is correct
41 Correct 27 ms 164560 KB Output is correct
42 Correct 687 ms 196664 KB Output is correct
43 Correct 382 ms 191568 KB Output is correct
44 Correct 572 ms 195660 KB Output is correct
45 Correct 631 ms 190328 KB Output is correct

Subtask #6
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 27 ms 164700 KB Output is correct
2 Correct 26 ms 164692 KB Output is correct
3 Correct 26 ms 164700 KB Output is correct
4 Correct 26 ms 164700 KB Output is correct
5 Correct 27 ms 164700 KB Output is correct
6 Correct 27 ms 164692 KB Output is correct
7 Correct 26 ms 164688 KB Output is correct
8 Correct 26 ms 164696 KB Output is correct
9 Correct 29 ms 164688 KB Output is correct
10 Correct 26 ms 164684 KB Output is correct
11 Correct 27 ms 164696 KB Output is correct
12 Correct 28 ms 164700 KB Output is correct
13 Correct 27 ms 164692 KB Output is correct
14 Correct 27 ms 164604 KB Output is correct
15 Correct 26 ms 164688 KB Output is correct
16 Correct 26 ms 164700 KB Output is correct
17 Correct 30 ms 164688 KB Output is correct
18 Correct 29 ms 164700 KB Output is correct
19 Correct 30 ms 164700 KB Output is correct
20 Correct 29 ms 164756 KB Output is correct
21 Correct 33 ms 165008 KB Output is correct
22 Correct 29 ms 164764 KB Output is correct
23 Correct 30 ms 164700 KB Output is correct
24 Correct 278 ms 189640 KB Output is correct
25 Correct 229 ms 190036 KB Output is correct
26 Correct 300 ms 192544 KB Output is correct
27 Correct 254 ms 189840 KB Output is correct
28 Correct 301 ms 190056 KB Output is correct
29 Correct 208 ms 190468 KB Output is correct
30 Correct 633 ms 193800 KB Output is correct
31 Correct 83 ms 180384 KB Output is correct
32 Correct 139 ms 176772 KB Output is correct
33 Correct 397 ms 188804 KB Output is correct
34 Correct 494 ms 193104 KB Output is correct
35 Correct 614 ms 187472 KB Output is correct
36 Correct 584 ms 186920 KB Output is correct
37 Correct 348 ms 195880 KB Output is correct
38 Correct 268 ms 192852 KB Output is correct
39 Correct 452 ms 193932 KB Output is correct
40 Correct 395 ms 193696 KB Output is correct
41 Correct 27 ms 164560 KB Output is correct
42 Correct 687 ms 196664 KB Output is correct
43 Correct 382 ms 191568 KB Output is correct
44 Correct 572 ms 195660 KB Output is correct
45 Correct 631 ms 190328 KB Output is correct
46 Correct 1628 ms 318800 KB Output is correct
47 Correct 1377 ms 305248 KB Output is correct
48 Correct 2420 ms 307156 KB Output is correct
49 Correct 2054 ms 307416 KB Output is correct
50 Correct 4159 ms 323964 KB Output is correct
51 Correct 2266 ms 297428 KB Output is correct
52 Correct 2795 ms 311292 KB Output is correct
53 Correct 3909 ms 291640 KB Output is correct

Subtask #7
0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 427 ms 182100 KB Output is correct
2 Correct 373 ms 182864 KB Output is correct
3 Correct 198 ms 179028 KB Output is correct
4 Correct 344 ms 178836 KB Output is correct
5 Correct 27 ms 164696 KB Output is correct
6 Correct 335 ms 181668 KB Output is correct
7 Correct 90 ms 174416 KB Output is correct
8 Correct 76 ms 168792 KB Output is correct
9 Correct 196 ms 179016 KB Output is correct
10 Correct 378 ms 182460 KB Output is correct
11 Correct 174 ms 179132 KB Output is correct
12 Correct 27 ms 164700 KB Output is correct
13 Correct 26 ms 164692 KB Output is correct
14 Correct 26 ms 164700 KB Output is correct
15 Correct 26 ms 164700 KB Output is correct
16 Correct 27 ms 164700 KB Output is correct
17 Correct 27 ms 164692 KB Output is correct
18 Correct 26 ms 164688 KB Output is correct
19 Correct 26 ms 164696 KB Output is correct
20 Correct 29 ms 164688 KB Output is correct
21 Correct 26 ms 164684 KB Output is correct
22 Correct 27 ms 164696 KB Output is correct
23 Correct 28 ms 164700 KB Output is correct
24 Correct 27 ms 164692 KB Output is correct
25 Correct 27 ms 164604 KB Output is correct
26 Correct 26 ms 164688 KB Output is correct
27 Correct 26 ms 164700 KB Output is correct
28 Correct 30 ms 164688 KB Output is correct
29 Correct 29 ms 164700 KB Output is correct
30 Correct 30 ms 164700 KB Output is correct
31 Correct 29 ms 164756 KB Output is correct
32 Correct 33 ms 165008 KB Output is correct
33 Correct 29 ms 164764 KB Output is correct
34 Correct 30 ms 164700 KB Output is correct
35 Correct 278 ms 189640 KB Output is correct
36 Correct 229 ms 190036 KB Output is correct
37 Correct 300 ms 192544 KB Output is correct
38 Correct 254 ms 189840 KB Output is correct
39 Correct 301 ms 190056 KB Output is correct
40 Correct 208 ms 190468 KB Output is correct
41 Correct 633 ms 193800 KB Output is correct
42 Correct 83 ms 180384 KB Output is correct
43 Correct 139 ms 176772 KB Output is correct
44 Correct 397 ms 188804 KB Output is correct
45 Correct 494 ms 193104 KB Output is correct
46 Correct 614 ms 187472 KB Output is correct
47 Correct 584 ms 186920 KB Output is correct
48 Correct 348 ms 195880 KB Output is correct
49 Correct 268 ms 192852 KB Output is correct
50 Correct 452 ms 193932 KB Output is correct
51 Correct 395 ms 193696 KB Output is correct
52 Correct 27 ms 164560 KB Output is correct
53 Correct 687 ms 196664 KB Output is correct
54 Correct 382 ms 191568 KB Output is correct
55 Correct 572 ms 195660 KB Output is correct
56 Correct 631 ms 190328 KB Output is correct
57 Correct 321 ms 195924 KB Output is correct
58 Correct 268 ms 193356 KB Output is correct
59 Incorrect 394 ms 194316 KB Output isn't correct
60 Halted 0 ms 0 KB -

Subtask #8
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 427 ms 182100 KB Output is correct
2 Correct 373 ms 182864 KB Output is correct
3 Correct 198 ms 179028 KB Output is correct
4 Correct 344 ms 178836 KB Output is correct
5 Correct 27 ms 164696 KB Output is correct
6 Correct 335 ms 181668 KB Output is correct
7 Correct 90 ms 174416 KB Output is correct
8 Correct 76 ms 168792 KB Output is correct
9 Correct 196 ms 179016 KB Output is correct
10 Correct 378 ms 182460 KB Output is correct
11 Correct 174 ms 179132 KB Output is correct
12 Correct 27 ms 164700 KB Output is correct
13 Correct 26 ms 164692 KB Output is correct
14 Correct 26 ms 164700 KB Output is correct
15 Correct 26 ms 164700 KB Output is correct
16 Correct 27 ms 164700 KB Output is correct
17 Correct 27 ms 164692 KB Output is correct
18 Correct 26 ms 164688 KB Output is correct
19 Correct 26 ms 164696 KB Output is correct
20 Correct 29 ms 164688 KB Output is correct
21 Correct 26 ms 164684 KB Output is correct
22 Correct 27 ms 164696 KB Output is correct
23 Correct 28 ms 164700 KB Output is correct
24 Correct 27 ms 164692 KB Output is correct
25 Correct 27 ms 164604 KB Output is correct
26 Correct 26 ms 164688 KB Output is correct
27 Correct 26 ms 164700 KB Output is correct
28 Correct 30 ms 164688 KB Output is correct
29 Correct 29 ms 164700 KB Output is correct
30 Correct 30 ms 164700 KB Output is correct
31 Correct 29 ms 164756 KB Output is correct
32 Correct 33 ms 165008 KB Output is correct
33 Correct 29 ms 164764 KB Output is correct
34 Correct 30 ms 164700 KB Output is correct
35 Correct 278 ms 189640 KB Output is correct
36 Correct 229 ms 190036 KB Output is correct
37 Correct 300 ms 192544 KB Output is correct
38 Correct 254 ms 189840 KB Output is correct
39 Correct 301 ms 190056 KB Output is correct
40 Correct 208 ms 190468 KB Output is correct
41 Correct 633 ms 193800 KB Output is correct
42 Correct 83 ms 180384 KB Output is correct
43 Correct 139 ms 176772 KB Output is correct
44 Correct 397 ms 188804 KB Output is correct
45 Correct 494 ms 193104 KB Output is correct
46 Correct 614 ms 187472 KB Output is correct
47 Correct 584 ms 186920 KB Output is correct
48 Correct 348 ms 195880 KB Output is correct
49 Correct 268 ms 192852 KB Output is correct
50 Correct 452 ms 193932 KB Output is correct
51 Correct 395 ms 193696 KB Output is correct
52 Correct 27 ms 164560 KB Output is correct
53 Correct 687 ms 196664 KB Output is correct
54 Correct 382 ms 191568 KB Output is correct
55 Correct 572 ms 195660 KB Output is correct
56 Correct 631 ms 190328 KB Output is correct
57 Correct 1628 ms 318800 KB Output is correct
58 Correct 1377 ms 305248 KB Output is correct
59 Correct 2420 ms 307156 KB Output is correct
60 Correct 2054 ms 307416 KB Output is correct
61 Correct 4159 ms 323964 KB Output is correct
62 Correct 2266 ms 297428 KB Output is correct
63 Correct 2795 ms 311292 KB Output is correct
64 Correct 3909 ms 291640 KB Output is correct
65 Correct 321 ms 195924 KB Output is correct
66 Correct 268 ms 193356 KB Output is correct
67 Incorrect 394 ms 194316 KB Output isn't correct
68 Halted 0 ms 0 KB -